Assignee
Inventors
- Akio Yamada (118 patents)
- Satoru Sagou (3 patents)
- Hitoshi Watanabe (240 patents)
- Satoru Yamazaki (16 patents)
- Kiichi Sakamoto (50 patents)
- Manabu Ohno (48 patents)
- Kenichi Kawakami (27 patents)
- Katsuhiko Kobayashi (59 patents)
US Patent 5830612 · Granted Nov 3, 1998